[DFDL-WG] question for the working group
Alan Powell
alan_powell at uk.ibm.com
Mon Feb 14 09:59:10 CST 2011
Joe
Correct that circular references are a schema definition error but the
specification doesn't say that explicitly. I will add it to the (newly
created) list of errata
Regards
Alan Powell
Development - MQSeries, Message Broker, ESB
IBM Software Group, Application and Integration Middleware Software
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From: Joe Futrelle <futrelle at ncsa.uiuc.edu>
To: Alan Powell/UK/IBM at IBMGB
Cc: "Robert E. McGrath" <remcgrat at illinois.edu>
Date: 11/02/2011 17:42
Subject: question for the working group
Section 7.2.1 describes how a dfdl:defineFormat can include a ref on its
enclosed dfdl:format, to establish inheritance among defined formats.
It is therefore possible to express circular inheritance patterns:
<dfdl:defineFormat name="deadly">
<dfdl:format ref="embrace" ... />
</dfdl:defineFormat>
<dfdl:defineFormat name="embrace">
<dfdl:format ref="deadly" .../>
</dfdl:defineFormat>
I assume circular inheritance ought to be schema definition error; does
the spec say that, anywhere?
--
Joe Futrelle
Cyberenvironments and Technologies
National Center for Supercomputing Applications
http://www.ncsa.uiuc.edu/People/futrelle
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